Gentoo update for Leptonica
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2020-36277 CVE-2020-36278 CVE-2020-36279 CVE-2020-36280 CVE-2020-36281 |
| CWE-ID | CWE-670 CWE-125 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Always-Incorrect Control Flow Implementation
EUVDB-ID: #VU55306
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-36277
CWE-ID:
CWE-670 - Always-Incorrect Control Flow Implementation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an incorrect left shift in pixConvert2To8 in pixconv.c. A remote attacker can cause a denial of service condition on the target system.
MitigationUpdate the affected packages.
media-libs/leptonica to version: 1.80.0
Gentoo Linux: All versions
External linkshttp://security.gentoo.org/
http://security.gentoo.org/glsa/202107-53
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds read
EUVDB-ID: #VU55307
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-36278
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack
The vulnerability exists due to a boundary condition in the "findNextBorderPixel" in ccbord.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationUpdate the affected packages.
media-libs/leptonica to version: 1.80.0
Gentoo Linux: All versions
External linkshttp://security.gentoo.org/
http://security.gentoo.org/glsa/202107-53
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Out-of-bounds read
EUVDB-ID: #VU55308
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-36279
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in rasteropGeneralLow, related to adaptmap_reg.c and adaptmap.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationUpdate the affected packages.
media-libs/leptonica to version: 1.80.0
Gentoo Linux: All versions
External linkshttp://security.gentoo.org/
http://security.gentoo.org/glsa/202107-53
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Out-of-bounds read
EUVDB-ID: #VU55309
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-36280
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in pixReadFromTiffStream, related to tiffio.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationUpdate the affected packages.
media-libs/leptonica to version: 1.80.0
Gentoo Linux: All versions
External linkshttp://security.gentoo.org/
http://security.gentoo.org/glsa/202107-53
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Out-of-bounds read
EUVDB-ID: #VU55310
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-36281
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in pixFewColorsOctcubeQuantMixed in colorquant1.c. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationUpdate the affected packages.
media-libs/leptonica to version: 1.80.0
Gentoo Linux: All versions
External linkshttp://security.gentoo.org/
http://security.gentoo.org/glsa/202107-53
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
