CVE-2019-11050: Use-after-free in exif parsing under memory sanitizer
Vulnerability summary
CVE-2019-11050 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 7.62% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 8Timeline
- 23-12-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
CVSS metrics
5 scores · 4 sources · 2 versions- CVE.orgCNA4.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated4.8MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:LDiffers
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS trend
Probability
7.62%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.62% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu3 products
- php5< 5.5.9+dfsg-1ubuntu4.29+esm8
- php7.0< 7.0.33-0ubuntu0.16.04.9
- php7.2< 7.2.24-0ubuntu0.18.04.2
Alpine1 product
- php7< 7.3.13-r0 | < 7.2.26-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.04
Debian1 product
- debian_linuxEOL8.0 | 9.0 | 10.0
Fedoraproject1 product
- fedoraEOL30 | 31
Opensuse1 product
- leapEOL15.1
Php1 product
- phpEOL≥ 7.2.0, ≤ 7.2.26 | ≥ 7.3.0, ≤ 7.3.13 | 7.4.0
Php group1 product
- php≥ 7.2.x, < 7.2.26 | ≥ 7.3.x, < 7.3.13 | ≥ 7.4.x, < 7.4.1
Tenable1 product
- security_center< 5.19.0
9 vendors · 11 products
References
18 links
lists.debian.org/debian-lts-announce/2019/12/msg00034.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2020-01/msg00036.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory